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107 lines
2.8 KiB
107 lines
2.8 KiB
#!/bin/bash -ex
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# vi: ts=4 noexpandtab
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#
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# Generate a squashfs root and manifest
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set -x
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echo "032-installer-squashfs.binary"
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case $IMAGE_TARGETS in
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""|*squashfs*)
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;;
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*)
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echo "Skipping squashfs build"
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exit 0
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;;
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esac
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if [ -n "$SUBARCH" ]; then
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echo "Skipping rootfs build for subarch flavor build"
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exit 0
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fi
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. config/functions
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SQUASH_ROOT=binary/boot/squashfs.dir
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OVERLAY_ROOT=binary/overlay
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mkdir -p "$OVERLAY_ROOT"
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# Create an installer squashfs layer
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mount_overlay "$SQUASH_ROOT/" "$OVERLAY_ROOT/" "$SQUASH_ROOT/"
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setup_mountpoint binary/boot/squashfs.dir
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# Override JobRunningTimeoutSec to 0s on the .device unit that
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# subiquity_config.mount depends on to avoid a 5s delay on switching
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# to a new VT when there is no device there (LP: #1750117).
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# It would be better to have this in ../includes.binary/overlay but
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# you can't have backslashes in filenames in bzr branches!
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DEVICE_UNIT_NAME='dev-disk-by\x2duuid-00c629d6\x2d06ab\x2d4dfd\x2db21e\x2dc3186f34105d.device'
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mkdir -p "$SQUASH_ROOT/etc/systemd/system/$DEVICE_UNIT_NAME.d"
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cat > "$SQUASH_ROOT/etc/systemd/system/$DEVICE_UNIT_NAME.d/override.conf" <<EOF
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[Unit]
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JobRunningTimeoutSec=0s
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EOF
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# Prepare installer layer.
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# Install any requirements for the installer, for things we don't want
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# to see on the installed system
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chroot $SQUASH_ROOT apt-get update
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chroot $SQUASH_ROOT apt-get -y install user-setup lupin-casper
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# Installing lupin-casper means we need a new initramfs, so we
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# cargo cult stuff from lb_chroot_hacks:
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CASPER_GENERATE_UUID=1 chroot $SQUASH_ROOT update-initramfs -k all -t -u
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for INITRAMFS in $(find $SQUASH_ROOT/boot -name 'initrd*' -not -type l); do
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zcat "${INITRAMFS}" | lzma -c -6 > "${INITRAMFS}.new"
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mv "${INITRAMFS}.new" "${INITRAMFS}"
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done
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# and lb_binary_linux-image:
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mv $SQUASH_ROOT/boot/initrd.img-* binary/casper/
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# to replace the previously built one with it.
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chroot $SQUASH_ROOT apt-get -y install curtin
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# Don't let cloud-init run in the live session.
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touch $SQUASH_ROOT/etc/cloud/cloud-init.disabled
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# Do the snap seeding dance.
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chroot $SQUASH_ROOT mkdir -p /var/lib/snapd/seed/snaps /var/lib/snapd/seed/assertions
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chroot $SQUASH_ROOT sh -c '
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set -x;
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cd /var/lib/snapd/seed;
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sudo SNAPPY_STORE_NO_CDN=1 snap download core;
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sudo SNAPPY_STORE_NO_CDN=1 snap download subiquity;
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CORE_SNAP=$(ls -1 core*.snap);
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SUBIQUITY_SNAP=$(ls -1 subiquity*.snap);
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mv *.assert /var/lib/snapd/seed/assertions/;
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mv *.snap /var/lib/snapd/seed/snaps/;
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cat <<EOF > /var/lib/snapd/seed/seed.yaml
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snaps:
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- name: core
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channel: stable
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file: ${CORE_SNAP}
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- name: subiquity
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channel: stable
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classic: true
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file: ${SUBIQUITY_SNAP}
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EOF
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'
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teardown_mountpoint "$SQUASH_ROOT"
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# Then unmount the overlay
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umount "$SQUASH_ROOT"
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squashfs_f="${PWD}/livecd.${PROJECT}.installer.squashfs"
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(cd "$OVERLAY_ROOT/" &&
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mksquashfs . ${squashfs_f} \
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-no-progress -xattrs -comp xz )
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